Precision Turbo and Engine BigStuff3 GEN3 PRO SEFI System Hardware & BigComm Software - Manual (Page 11)

BigStuff3 Pro SEFI System
Version 2.1 – February 2011 11
Harness
Label
Wire
Color/Connector
Type
Label
Definition
Connect To Further Details
MAP Green, 3-way
Packard
connector
Manifold
Absolute
Pressure
Sensor
Connect to the
MAP sensor MAP
Crank Black, 2-way
Packard
connector with a
separate ground
wire (3/8” ring)
Crankshaft
position
sensor input Connect to
crankshaft sensor System includes a
mating 2-way Packard
connector & terminals
Crank
2-Step Single yellow
wire 2-Step trigger
function Clutch or trans
brake switch Two_Step . Optional
feature.
Boost Black 4-way
connector with an
orange seal
Staged or
PWM Boost
Control Connects to
optional 4-way
connector to
solenoid or
PWM boost
valve Boost
Main Fuse &
Relay
N/A N/A N/A
Main_Fuse_and_Relay
Vehicle
Battery Fuse
N/A N/A N/A
Vehicle_Battery_Fuse
Header
Connector
N/A
No label, see
link to photo
in “Further
Details”
Column BigStuff Engine
Control Unit
(ECU) Header_Connector
Injector
Harness Black, 10-way
Packard
connector Injector
harness
connector Connect to main
wire harness Injector_Harness
The paragraphs below further support the information outlined in the table above.
Calport - ECU to PC interface cable
Do not connect the communications cable until all the software is
installed on the PC that will interface with the GEN3 system. See
the “Calport Resolution” document on our website for more
information.
Back_to_Calport
3-way, black
Packard connector
AMP RS-232
connector
Communications Cable
(supplied)